Epson S1D15710D00B Series Technical Manual page 31

may be deteriorated in large load liquid crystal or
panels. In this case, the display quality can be improved
by setting HPM pin=LOW (high power mode). Whether
to use the power supply circuit in this mode should need
the display confirmation by actual equipment.
Also, if improvement is insufficient even for the high
power mode setting, use either the S1D15710D10B
supply liquid crystal drive power externally. In either
case, be sure to check the display thoroughly.
Procedure
Step1
Step2
1 All the built-in power supply used
(1) When using the V voltage adjusting built-in resistor
5
(Example of V =V
SS2 SS
V
DD
V
SS
C
1
V
DD
C
2
C
2
C
2
C
2
C
2
S1D15710 Series (Rev. 1.1c)
Description
(Command, state) D7
Power save
1
Turning off the built
-in power supply
, quadruple boosting)
IRS M/S
V
SS2
CAP3–
C
1
CAP1+
C
1
CAP1–
CAP2+
C
1
CAP2–
V
OUT
V
5
V
R
V
DD
V
1
V
2
V
3
V
4
V
5
Command sequence when the built-in power
supply is turned off
To turn off the built-in power supply, set it in the power
save state and then turn off the power supply according
to the command sequence shown in Figure 13
(procedure).
or
*
Command address
D6 D5 D4 D3 D2 D1
0 1 0 1 0 0
Figure 13
(2) When not using the V
(Example of V
V
SS
C
R
3
R
2
V
DD
R
1
C
C
C
C
C
EPSON
6. FUNCTION DESCRIPTION
D0
0
Power save command
1
(Both stand-by and
sleep can be useal)
voltage adjusting built-in resistor
5
=V , quadruple boosting)
SS2 SS
V
DD
IRS M/S
V
SS2
CAP3–
C
1
CAP1+
C
1
CAP1–
1
CAP2+
C
1
CAP2–
V
OUT
V
5
V
R
V
DD
2
V
1
2
V
2
2
V
3
2
V
4
2
V
5
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